Here's what rhymes with chloroquine.

Consider these alternatives

pyrimethamine / nine antimalarial / burial malarial / burial isoniazid / side vancomycin / rising falciparum / column metronidazole / holy streptomycin / rising omeprazole / whole cyclosporine / seen erythromycin / rising tetracycline / line diazepam / can dapsone / shown rifampicin / horizon plasmodium / sodium chemotherapeutic / therapeutic glyphosate / state multidrug / drug antibiotic / logic physostigmine / strychnine insecticides / rights clindamycin / rising